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error[E0277]: the trait bound `Option<Vec<u8>>: MyFromIterator<&u8>` is not satisfied
--> $DIR/on-trait.rs:28:30
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LL | let y: Option<Vec<u8>> = collect(x.iter()); // this should give approximately the same error for x.iter().collect()
| ^^^^^^^ a collection of type `Option<Vec<u8>>` cannot be built from an iterator over elements of type `&u8`
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= help: the trait `MyFromIterator<&u8>` is not implemented for `Option<Vec<u8>>`
note: required by a bound in `collect`
--> $DIR/on-trait.rs:22:39
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LL | fn collect<A, I: Iterator<Item=A>, B: MyFromIterator<A>>(it: I) -> B {
| ^^^^^^^^^^^^^^^^^ required by this bound in `collect`
error[E0277]: the trait bound `String: Foo<u8, _, u32>` is not satisfied
--> $DIR/on-trait.rs:31:21
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LL | let x: String = foobar();
| ^^^^^^ test error `String` with `u8` `_` `u32` in `Foo`
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= help: the trait `Foo<u8, _, u32>` is not implemented for `String`
note: required by a bound in `foobar`
--> $DIR/on-trait.rs:12:24
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LL | fn foobar<U: Clone, T: Foo<u8, U, u32>>() -> T {
| ^^^^^^^^^^^^^^^ required by this bound in `foobar`
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.
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